Abstract:In the high-speed railway age, the speed of regional economic, social and cultural development have been accelerating in our country. It has put up new requirements and challenges to the opening market, the allocation of resources, industry layout, social management and cross-regional cooperative governance. In this paper, the connotation and characteristics, pattern and mechanism of collaborative governance across regions in high-speed rail age will be discussed. The emphasis is on building a network of regional economy integration mechanism, ross-regional information network integration mechanism, public infrastructure network integration mechanism, integration of public service coordination mechanism, multiple interest coordination mechanism, and communication consultation mechanism, etc.